Recording medium



FIG. 1 is a front, bottom and right side perspective view of a recording medium, showing my new design;

FIG. 2 is a front, bottom and right side perspective view thereof with a cap in a removed state;

FIG. 3 is a top plan view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a right side elevational view thereof; the opposite side being a mirror image thereof;

FIG. 6 is a rear elevational view thereof; and,

FIG. 7 is a bottom plan view thereof.

The broken lines are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a recording medium, as shown and described. 